Environmental concerns and decreased demand have contributed to the decline of coal as a fuel source. The Oak Ridge National Laboratory is developing value-added products that may eventually revive the coal industry.
Read MoreGE Appliances has announced that it is focusing on advancing its technology for magnetic refrigeration–which replaces conventional compressors and refrigerants with magnetocaloric materials and magnets–and hopes to offer more energy efficient and environmentally friendly residential units within the next five years.
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